#!/usr/bin/env bash

##############################################################################
##
##  xd-admin start up script for UN*X
##
##############################################################################

# Add default JVM options here. You can also use JAVA_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS=""

APP_NAME="xd-admin"
APP_BASE_NAME=`basename "$0"`

# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"

warn ( ) {
    echo "$*"
}

die ( ) {
    echo
    echo "$*"
    echo
    exit 1
}

# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
case "`uname`" in
  CYGWIN* )
    cygwin=true
    ;;
  Darwin* )
    darwin=true
    ;;
  MINGW* )
    msys=true
    ;;
esac

# For Cygwin, ensure paths are in UNIX format before anything is touched.
if $cygwin ; then
    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
fi

# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
    ls=`ls -ld "$PRG"`
    link=`expr "$ls" : '.*-> \(.*\)$'`
    if expr "$link" : '/.*' > /dev/null; then
        PRG="$link"
    else
        PRG=`dirname "$PRG"`"/$link"
    fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/.." >&-
APP_HOME="`pwd -P`"
cd "$SAVED" >&-

APP_HOME_LIB=$APP_HOME/lib
CLASSPATH=$APP_HOME/modules/processor/scripts:$APP_HOME/config:$APP_HOME
HADOOP_DISTRO="${HADOOP_DISTRO:-hadoop26}"
x=0
args=("$@")
for arg in "${args[@]}" ; do
    if [ "$arg" = "--hadoopDistro" ] ; then
        if [ "${args[x+1]}" = "hadoop25" ] || [ "${args[x+1]}" = "hadoop26" ] || [ "${args[x+1]}" = "cdh5" ] || [ "${args[x+1]}" = "hdp22" ] || [ "${args[x+1]}" = "phd21" ] ; then
          HADOOP_DISTRO="${args[x+1]}"
          unset args[x+1]
          unset args[x]
        else
          echo "ERROR: '${args[x+1]}' is not a valid Hadoop distro - valid distros are hadoop25, hadoop26, cdh5, hdp22 and phd21"
          exit
        fi
    fi
    x=$((x+1))
done

addJarsToClassPath( ) {
    if [ -d $1 ]; then
        for jar in "$1"/*.jar; do
            CLASSPATH="$CLASSPATH":"$jar"
        done
    fi
}

CLASSPATH="$APP_HOME/config"
APP_HOME_LIB=$APP_HOME/lib
XD_LIB=$APP_HOME/../xd/lib
addJarsToClassPath $APP_HOME_LIB
if [ -d $XD_LIB ]; then
    addJarsToClassPath $XD_LIB
    HADOOP_LIB=$XD_LIB/$HADOOP_DISTRO
else
    HADOOP_LIB=$APP_HOME_LIB/$HADOOP_DISTRO
fi
addJarsToClassPath $HADOOP_LIB

# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
        # IBM's JDK on AIX uses strange locations for the executables
        JAVACMD="$JAVA_HOME/jre/sh/java"
    else
        JAVACMD="$JAVA_HOME/bin/java"
    fi
    if [ ! -x "$JAVACMD" ] ; then
        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME

Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
    fi
else
    JAVACMD="java"
    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi

# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
    MAX_FD_LIMIT=`ulimit -H -n`
    if [ $? -eq 0 ] ; then
        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
            MAX_FD="$MAX_FD_LIMIT"
        fi
        ulimit -n $MAX_FD
        if [ $? -ne 0 ] ; then
            warn "Could not set maximum file descriptor limit: $MAX_FD"
        fi
    else
        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
    fi
fi

# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi

# For Cygwin, switch paths to Windows format before running java
if $cygwin ; then
    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`

    # We build the pattern for arguments to be converted via cygpath
    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
    SEP=""
    for dir in $ROOTDIRSRAW ; do
        ROOTDIRS="$ROOTDIRS$SEP$dir"
        SEP="|"
    done
    OURCYGPATTERN="(^($ROOTDIRS))"
    # Add a user-defined pattern to the cygpath arguments
    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
    fi
    # Now convert the arguments - kludge to limit ourselves to /bin/sh
    i=0
    for arg in "$@" ; do
        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option

        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
        else
            eval `echo args$i`="\"$arg\""
        fi
        i=$((i+1))
    done
    case $i in
        (0) set -- ;;
        (1) set -- "$args0" ;;
        (2) set -- "$args0" "$args1" ;;
        (3) set -- "$args0" "$args1" "$args2" ;;
        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
    esac
fi

# check if XD_HOME is already set; if it is not, then set APP_HOME as XD_HOME
if [ x"$XD_HOME" = x ] ; then
    export XD_HOME=$APP_HOME
fi

# Check for explicity set XD_CONFIG_* and XD_MODULE_CONFIG_*
if [ x"$XD_CONFIG_LOCATION" = x ] ; then
    export XD_CONFIG_LOCATION=file:$XD_HOME/config/
fi
export XD_CONFIG_LOCATION=$XD_CONFIG_LOCATION/
if [ x"$XD_CONFIG_NAME" = x ] ; then
    export XD_CONFIG_NAME=servers
fi
export XD_CONFIG_NAME="$XD_CONFIG_NAME,application"
if [ x"$XD_MODULE_CONFIG_LOCATION" = x ] ; then
    export XD_MODULE_CONFIG_LOCATION="${XD_CONFIG_LOCATION}modules/"
fi
if [ x"$XD_MODULE_CONFIG_NAME" = x ] ; then
    export XD_MODULE_CONFIG_NAME=modules
fi

# set app name etc. via SPRING_XD_OPTS
SPRING_XD_OPTS="-Dspring.application.name=admin -Dlogging.config=$XD_CONFIG_LOCATION/xd-admin-logger.properties -Dxd.home=$XD_HOME"
SPRING_XD_OPTS="$SPRING_XD_OPTS -Dspring.config.location=$XD_CONFIG_LOCATION -Dxd.config.home=$XD_CONFIG_LOCATION -Dspring.config.name=$XD_CONFIG_NAME"
SPRING_XD_OPTS="$SPRING_XD_OPTS -Dxd.module.config.location=$XD_MODULE_CONFIG_LOCATION -Dxd.module.config.name=$XD_MODULE_CONFIG_NAME"

# Split up the JVM_OPTS And SPRING_XD_OPTS values into an array, following the shell quoting and substitution rules
function splitJvmOpts() {
    JVM_OPTS=("$@")
}
eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $SPRING_XD_OPTS


exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.springframework.xd.dirt.server.admin.AdminServerApplication "$@"
